“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。 Mathematics retrospective study回溯研究
随便看	scaffold of tissue engineering scaffold protein scaffold topology inducing stem cell differentiation SCAL scalability scalability analysis scalable algorithm scalable architecture scalable multi-computer scalable vector graphics two-dimensional graph format standard？ scalable video scalable video coding scalable video coding, SVC Scala language scalar scalar affinor scalar antenna scalar calculus scalar change scalar CMB anisotropy scalar computer scalar conservation law scalar coupling scalar coupling, JJ-coupling scalar covariant

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